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SpaghettiKart/src/port/Engine.cpp
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sitton76 1fee189805 Set the default FPS to 30
2025-05-20 14:50:12 -05:00

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#include "Engine.h"
#include "StringHelper.h"
#include "GameExtractor.h"
#include "ui/ImguiUI.h"
#include "libultraship/src/Context.h"
#include "resource/type/ResourceType.h"
#include "resource/importers/GenericArrayFactory.h"
#include "resource/importers/AudioBankFactory.h"
#include "resource/importers/AudioSampleFactory.h"
#include "resource/importers/AudioSequenceFactory.h"
#include "resource/importers/Vec3fFactory.h"
#include "resource/importers/Vec3sFactory.h"
#include "resource/importers/KartAIFactory.h"
#include "resource/importers/CourseVtxFactory.h"
#include "resource/importers/TrackSectionsFactory.h"
#include "resource/importers/TrackWaypointFactory.h"
#include "resource/importers/ActorSpawnDataFactory.h"
#include "resource/importers/UnkActorSpawnDataFactory.h"
#include "resource/importers/ArrayFactory.h"
#include "resource/importers/MinimapFactory.h"
#include <Fonts.h>
#include "window/gui/resource/Font.h"
#include "window/gui/resource/FontFactory.h"
#include "SpaghettiGui.h"
#include "port/interpolation/FrameInterpolation.h"
#include <graphic/Fast3D/Fast3dWindow.h>
#include <graphic/Fast3D/interpreter.h>
//#include <Fast3D/gfx_rendering_api.h>
#include <SDL2/SDL.h>
#include <utility>
#ifdef __SWITCH__
#include <port/switch/SwitchImpl.h>
#endif
extern "C" {
bool prevAltAssets = false;
float gInterpolationStep = 0.0f;
#include <macros.h>
#include <DisplayListFactory.h>
#include <TextureFactory.h>
#include <MatrixFactory.h>
#include <BlobFactory.h>
#include <VertexFactory.h>
#include <LightFactory.h>
#include "audio/internal.h"
#include "audio/GameAudio.h"
}
Fast::Interpreter* GetInterpreter() {
return static_pointer_cast<Fast::Fast3dWindow>(Ship::Context::GetInstance()->GetWindow())
->GetInterpreterWeak()
.lock()
.get();
}
GameEngine* GameEngine::Instance;
GameEngine::GameEngine() {
const std::string main_path = Ship::Context::GetPathRelativeToAppDirectory("mk64.o2r");
const std::string assets_path = Ship::Context::LocateFileAcrossAppDirs("spaghetti.o2r");
std::vector<std::string> archiveFiles;
#ifdef __SWITCH__
Ship::Switch::Init(Ship::PreInitPhase);
Ship::Switch::Init(Ship::PostInitPhase);
#endif
#ifdef _WIN32
AllocConsole();
#endif
if (std::filesystem::exists(main_path)) {
archiveFiles.push_back(main_path);
} else {
if (ShowYesNoBox("No O2R Files", "No O2R files found. Generate one now?") == IDYES) {
if(!GenAssetFile()){
ShowMessage("Error", "An error occured, no O2R file was generated.\n\nExiting...");
exit(1);
} else {
archiveFiles.push_back(main_path);
}
} else {
exit(1);
}
}
if (std::filesystem::exists(assets_path)) {
archiveFiles.push_back(assets_path);
}
if (const std::string patches_path = Ship::Context::GetPathRelativeToAppDirectory("mods");
!patches_path.empty() && std::filesystem::exists(patches_path)) {
if (std::filesystem::is_directory(patches_path)) {
for (const auto& p : std::filesystem::recursive_directory_iterator(patches_path)) {
auto ext = p.path().extension().string();
if (StringHelper::IEquals(ext, ".zip") || StringHelper::IEquals(ext, ".o2r")) {
archiveFiles.push_back(p.path().generic_string());
}
}
}
}
this->context =
Ship::Context::CreateUninitializedInstance("Spaghetti Kart", "spaghettify", "spaghettify.cfg.json");
this->context->InitConfiguration(); // without this line InitConsoleVariables fails at Config::Reload()
this->context->InitConsoleVariables(); // without this line the controldeck constructor failes in ShipDeviceIndexMappingManager::UpdateControllerNamesFromConfig()
auto controlDeck = std::make_shared<LUS::ControlDeck>();
this->context->InitResourceManager(archiveFiles, {}, 3); // without this line InitWindow fails in Gui::Init()
this->context->InitConsole(); // without this line the GuiWindow constructor fails in ConsoleWindow::InitElement()
auto gui = std::make_shared<Ship::SpaghettiGui>(std::vector<std::shared_ptr<Ship::GuiWindow>>({}));
auto wnd = std::make_shared<Fast::Fast3dWindow>(gui);
//auto wnd = std::make_shared<Fast::Fast3dWindow>(std::vector<std::shared_ptr<Ship::GuiWindow>>({}));
//auto wnd = std::dynamic_pointer_cast<Fast::Fast3dWindow>(Ship::Context::GetInstance()->GetWindow());
this->context->Init(archiveFiles, {}, 3, { 26800, 512, 1100 }, wnd, controlDeck);
#ifndef __SWITCH__
Ship::Context::GetInstance()->GetLogger()->set_level(
(spdlog::level::level_enum) CVarGetInteger("gDeveloperTools.LogLevel", 1));
Ship::Context::GetInstance()->GetLogger()->set_pattern("[%H:%M:%S.%e] [%s:%#] [%l] %v");
#endif
wnd->SetRendererUCode(ucode_f3dex);
this->context->InitGfxDebugger();
auto loader = context->GetResourceManager()->GetResourceLoader();
loader->RegisterResourceFactory(std::make_shared<SM64::AudioBankFactoryV0>(), RESOURCE_FORMAT_BINARY, "AudioBank",
static_cast<uint32_t>(SF64::ResourceType::Bank), 0);
loader->RegisterResourceFactory(std::make_shared<SM64::AudioSampleFactoryV0>(), RESOURCE_FORMAT_BINARY,
"AudioSample", static_cast<uint32_t>(SF64::ResourceType::Sample), 0);
loader->RegisterResourceFactory(std::make_shared<SM64::AudioSequenceFactoryV0>(), RESOURCE_FORMAT_BINARY,
"AudioSequence", static_cast<uint32_t>(SF64::ResourceType::Sequence), 0);
loader->RegisterResourceFactory(std::make_shared<SF64::ResourceFactoryBinaryVec3fV0>(), RESOURCE_FORMAT_BINARY,
"Vec3f", static_cast<uint32_t>(SF64::ResourceType::Vec3f), 0);
loader->RegisterResourceFactory(std::make_shared<SF64::ResourceFactoryBinaryVec3sV0>(), RESOURCE_FORMAT_BINARY,
"Vec3s", static_cast<uint32_t>(SF64::ResourceType::Vec3s), 0);
loader->RegisterResourceFactory(std::make_shared<SF64::ResourceFactoryBinaryGenericArrayV0>(),
RESOURCE_FORMAT_BINARY, "GenericArray",
static_cast<uint32_t>(SF64::ResourceType::GenericArray), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryBinaryTextureV0>(), RESOURCE_FORMAT_BINARY,
"Texture", static_cast<uint32_t>(Fast::ResourceType::Texture), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryBinaryTextureV1>(), RESOURCE_FORMAT_BINARY,
"Texture", static_cast<uint32_t>(Fast::ResourceType::Texture), 1);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryBinaryVertexV0>(), RESOURCE_FORMAT_BINARY,
"Vertex", static_cast<uint32_t>(Fast::ResourceType::Vertex), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryXMLVertexV0>(), RESOURCE_FORMAT_XML, "Vertex",
static_cast<uint32_t>(Fast::ResourceType::Vertex), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryBinaryDisplayListV0>(), RESOURCE_FORMAT_BINARY,
"DisplayList", static_cast<uint32_t>(Fast::ResourceType::DisplayList), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryXMLDisplayListV0>(), RESOURCE_FORMAT_XML,
"DisplayList", static_cast<uint32_t>(Fast::ResourceType::DisplayList), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryBinaryMatrixV0>(), RESOURCE_FORMAT_BINARY,
"Matrix", static_cast<uint32_t>(Fast::ResourceType::Matrix), 0);
loader->RegisterResourceFactory(std::make_shared<Ship::ResourceFactoryBinaryBlobV0>(), RESOURCE_FORMAT_BINARY,
"Blob", static_cast<uint32_t>(Ship::ResourceType::Blob), 0);
loader->RegisterResourceFactory(std::make_shared<Fast::ResourceFactoryBinaryLightV0>(), RESOURCE_FORMAT_BINARY,
"Lights1", static_cast<uint32_t>(Fast::ResourceType::Light), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryArrayV0>(), RESOURCE_FORMAT_BINARY,
"Array", static_cast<uint32_t>(MK64::ResourceType::MK_Array), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryKartAIV0>(), RESOURCE_FORMAT_BINARY,
"KartAI", static_cast<uint32_t>(MK64::ResourceType::KartAI), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryCourseVtxV0>(), RESOURCE_FORMAT_BINARY,
"CourseVtx", static_cast<uint32_t>(MK64::ResourceType::CourseVertex), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryTrackSectionsV0>(),
RESOURCE_FORMAT_BINARY, "TrackSections",
static_cast<uint32_t>(MK64::ResourceType::TrackSection), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryXMLTrackSectionsV0>(),
RESOURCE_FORMAT_XML, "TrackSections",
static_cast<uint32_t>(MK64::ResourceType::TrackSection), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryTrackWaypointsV0>(),
RESOURCE_FORMAT_BINARY, "Waypoints",
static_cast<uint32_t>(MK64::ResourceType::Waypoints), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryXMLTrackWaypointsV0>(),
RESOURCE_FORMAT_XML, "Paths",
static_cast<uint32_t>(MK64::ResourceType::Waypoints), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryActorSpawnDataV0>(),
RESOURCE_FORMAT_BINARY, "SpawnData",
static_cast<uint32_t>(MK64::ResourceType::SpawnData), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryUnkActorSpawnDataV0>(),
RESOURCE_FORMAT_BINARY, "UnkSpawnData",
static_cast<uint32_t>(MK64::ResourceType::UnkSpawnData), 0);
loader->RegisterResourceFactory(std::make_shared<MK64::ResourceFactoryBinaryMinimapV0>(),
RESOURCE_FORMAT_BINARY, "Minimap",
static_cast<uint32_t>(MK64::ResourceType::Minimap), 0);
fontMono = CreateFontWithSize(16.0f, "fonts/Inconsolata-Regular.ttf");
fontMonoLarger = CreateFontWithSize(20.0f, "fonts/Inconsolata-Regular.ttf");
fontMonoLargest = CreateFontWithSize(24.0f, "fonts/Inconsolata-Regular.ttf");
fontStandard = CreateFontWithSize(16.0f, "fonts/Montserrat-Regular.ttf");
fontStandardLarger = CreateFontWithSize(20.0f, "fonts/Montserrat-Regular.ttf");
fontStandardLargest = CreateFontWithSize(24.0f, "fonts/Montserrat-Regular.ttf");
ImGui::GetIO().FontDefault = fontMono;
}
bool GameEngine::GenAssetFile() {
auto extractor = new GameExtractor();
if (!extractor->SelectGameFromUI()) {
ShowMessage("Error", "No ROM selected.\n\nExiting...");
exit(1);
}
auto game = extractor->ValidateChecksum();
if (!game.has_value()) {
ShowMessage("Unsupported ROM", "The provided ROM is not supported.\n\nCheck the readme for a list of supported versions.");
exit(1);
}
ShowMessage(("Found " + game.value()).c_str(), "The extraction process will now begin.\n\nThis may take a few minutes.", SDL_MESSAGEBOX_INFORMATION);
return extractor->GenerateOTR();
}
uint32_t GameEngine::GetInterpolationFPS() {
if (CVarGetInteger("gMatchRefreshRate", 0)) {
return Ship::Context::GetInstance()->GetWindow()->GetCurrentRefreshRate();
} else if (CVarGetInteger("gVsyncEnabled", 1) ||
!Ship::Context::GetInstance()->GetWindow()->CanDisableVerticalSync()) {
return std::min<uint32_t>(Ship::Context::GetInstance()->GetWindow()->GetCurrentRefreshRate(),
CVarGetInteger("gInterpolationFPS", 30));
}
return CVarGetInteger("gInterpolationFPS", 30);
}
uint32_t GameEngine::GetInterpolationFrameCount()
{
return ceil((float)GetInterpolationFPS() / (60.0f / 2 /*gVIsPerFrame*/));
}
extern "C" uint32_t GameEngine_GetInterpolationFrameCount() {
return GameEngine::GetInterpolationFrameCount();
}
void GameEngine::ShowMessage(const char* title, const char* message, SDL_MessageBoxFlags type) {
#if defined(__SWITCH__)
SPDLOG_ERROR(message);
#else
SDL_ShowSimpleMessageBox(type, title, message, nullptr);
SPDLOG_ERROR(message);
#endif
}
int GameEngine::ShowYesNoBox(const char* title, const char* box) {
int ret;
#ifdef _WIN32
ret = MessageBoxA(nullptr, box, title, MB_YESNO | MB_ICONQUESTION);
#elif defined(__SWITCH__)
SPDLOG_ERROR(box);
return IDYES;
#else
SDL_MessageBoxData boxData = { 0 };
SDL_MessageBoxButtonData buttons[2] = { { 0 } };
buttons[0].buttonid = IDYES;
buttons[0].text = "Yes";
buttons[0].flags = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT;
buttons[1].buttonid = IDNO;
buttons[1].text = "No";
buttons[1].flags = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
boxData.numbuttons = 2;
boxData.flags = SDL_MESSAGEBOX_INFORMATION;
boxData.message = box;
boxData.title = title;
boxData.buttons = buttons;
SDL_ShowMessageBox(&boxData, &ret);
#endif
return ret;
}
void GameEngine::Create() {
const auto instance = Instance = new GameEngine();
instance->AudioInit();
GameUI::SetupGuiElements();
#if defined(__SWITCH__) || defined(__WIIU__)
CVarRegisterInteger("gControlNav", 1); // always enable controller nav on switch/wii u
#endif
}
void GameEngine::Destroy() {
AudioExit();
#ifdef __SWITCH__
Ship::Switch::Exit();
#endif
}
bool ShouldClearTextureCacheAtEndOfFrame = false;
void GameEngine::StartFrame() const {
using Ship::KbScancode;
const int32_t dwScancode = this->context->GetWindow()->GetLastScancode();
this->context->GetWindow()->SetLastScancode(-1);
switch (dwScancode) {
case KbScancode::LUS_KB_TAB: {
// Toggle HD Assets
CVarSetInteger("gAltAssets", !CVarGetInteger("gAltAssets", 0));
ShouldClearTextureCacheAtEndOfFrame = true;
break;
}
default:
break;
}
}
// void GameEngine::ProcessFrame(void (*run_one_game_iter)()) const {
// //this->context->GetWindow()->MainLoop(run_one_game_iter);
// Instance->context->GetWindow()->MainLoop(run_one_game_iter);
// }
void GameEngine::RunCommands(Gfx* Commands, const std::vector<std::unordered_map<Mtx*, MtxF>>& mtx_replacements) {
auto wnd = std::dynamic_pointer_cast<Fast::Fast3dWindow>(Ship::Context::GetInstance()->GetWindow());
if (wnd == nullptr) {
return;
}
auto interpreter = wnd->GetInterpreterWeak().lock().get();
// Process window events for resize, mouse, keyboard events
wnd->HandleEvents();
interpreter->mInterpolationIndex = 0;
for (const auto& m : mtx_replacements) {
wnd->DrawAndRunGraphicsCommands(Commands, m);
interpreter->mInterpolationIndex++;
}
bool curAltAssets = CVarGetInteger("gEnhancements.Mods.AlternateAssets", 0);
if (prevAltAssets != curAltAssets) {
prevAltAssets = curAltAssets;
Ship::Context::GetInstance()->GetResourceManager()->SetAltAssetsEnabled(curAltAssets);
gfx_texture_cache_clear();
}
}
void GameEngine::ProcessGfxCommands(Gfx* commands) {
std::vector<std::unordered_map<Mtx*, MtxF>> mtx_replacements;
int target_fps = GameEngine::Instance->GetInterpolationFPS();
static int last_fps;
static int last_update_rate;
static int time;
int fps = target_fps;
int original_fps = 60 / 2 /*gVIsPerFrame*/;
if (target_fps == 30 || original_fps > target_fps) {
fps = original_fps;
}
if (last_fps != fps || last_update_rate != 2 /*gVIsPerFrame*/) {
time = 0;
}
// time_base = fps * original_fps (one second)
int next_original_frame = fps;
while (time + original_fps <= next_original_frame) {
time += original_fps;
if (time != next_original_frame) {
mtx_replacements.push_back(FrameInterpolation_Interpolate((float) time / next_original_frame));
} else {
mtx_replacements.emplace_back();
}
}
// printf("mtxf size: %d\n", mtx_replacements.size());
time -= fps;
auto wnd = std::dynamic_pointer_cast<Fast::Fast3dWindow>(Ship::Context::GetInstance()->GetWindow());
if (wnd != nullptr) {
wnd->SetTargetFps(CVarGetInteger("gInterpolationFPS", 30));
wnd->SetMaximumFrameLatency(1);
}
RunCommands(commands, mtx_replacements);
last_fps = fps;
last_update_rate = 2;
}
// Audio
void GameEngine::HandleAudioThread() {
while (audio.running) {
{
std::unique_lock<std::mutex> Lock(audio.mutex);
while (!audio.processing && audio.running) {
audio.cv_to_thread.wait(Lock);
}
if (!audio.running) {
break;
}
}
std::unique_lock<std::mutex> Lock(audio.mutex);
int samples_left = AudioPlayerBuffered();
u32 num_audio_samples = samples_left < AudioPlayerGetDesiredBuffered() ? SAMPLES_HIGH : SAMPLES_LOW;
s16 audio_buffer[SAMPLES_PER_FRAME];
for (int i = 0; i < NUM_AUDIO_CHANNELS; i++) {
create_next_audio_buffer(audio_buffer + i * (num_audio_samples * 2), num_audio_samples);
}
AudioPlayerPlayFrame((u8*) audio_buffer, 2 * num_audio_samples * 4);
audio.processing = false;
audio.cv_from_thread.notify_one();
}
}
void GameEngine::StartAudioFrame() {
{
std::unique_lock<std::mutex> Lock(audio.mutex);
audio.processing = true;
}
audio.cv_to_thread.notify_one();
}
void GameEngine::EndAudioFrame() {
{
std::unique_lock<std::mutex> Lock(audio.mutex);
while (audio.processing) {
audio.cv_from_thread.wait(Lock);
}
}
}
void GameEngine::AudioInit() {
const auto resourceMgr = Ship::Context::GetInstance()->GetResourceManager();
resourceMgr->LoadResources("sound");
const auto banksFiles = resourceMgr->GetArchiveManager()->ListFiles("sound/banks/*");
const auto sequences_files = resourceMgr->GetArchiveManager()->ListFiles("sound/sequences/*");
Instance->sequenceTable.resize(512);
Instance->audioSequenceTable.resize(512);
Instance->banksTable.resize(512);
for (auto& bank : *banksFiles) {
auto path = "__OTR__" + bank;
const auto ctl = static_cast<CtlEntry*>(ResourceGetDataByName(path.c_str()));
this->bankMapTable[bank] = ctl->bankId;
SPDLOG_INFO("Loaded bank: {}", bank);
}
for (auto& sequence : *sequences_files) {
auto path = "__OTR__" + sequence;
auto seq = static_cast<AudioSequenceData*>(ResourceGetDataByName(path.c_str()));
Instance->sequenceTable[seq->id] = path;
SPDLOG_INFO("Loaded sequence: {}", sequence);
}
if (!audio.running) {
audio.running = true;
audio.thread = std::thread(HandleAudioThread);
SPDLOG_INFO("Audio thread started");
}
}
void GameEngine::AudioExit() {
{
std::unique_lock lock(audio.mutex);
audio.running = false;
}
audio.cv_to_thread.notify_all();
// Wait until the audio thread quit
audio.thread.join();
}
uint8_t GameEngine::GetBankIdByName(const std::string& name) {
if (Instance->bankMapTable.contains(name)) {
return Instance->bankMapTable[name];
}
return 0;
}
ImFont* GameEngine::CreateFontWithSize(float size, std::string fontPath) {
auto mImGuiIo = &ImGui::GetIO();
ImFont* font;
if (fontPath == "") {
ImFontConfig fontCfg = ImFontConfig();
fontCfg.OversampleH = fontCfg.OversampleV = 1;
fontCfg.PixelSnapH = true;
fontCfg.SizePixels = size;
font = mImGuiIo->Fonts->AddFontDefault(&fontCfg);
} else {
auto initData = std::make_shared<Ship::ResourceInitData>();
initData->Format = RESOURCE_FORMAT_BINARY;
initData->Type = static_cast<uint32_t>(RESOURCE_TYPE_FONT);
initData->ResourceVersion = 0;
initData->Path = fontPath;
std::shared_ptr<Ship::Font> fontData = std::static_pointer_cast<Ship::Font>(
Ship::Context::GetInstance()->GetResourceManager()->LoadResource(fontPath, false, initData));
font = mImGuiIo->Fonts->AddFontFromMemoryTTF(fontData->Data, fontData->DataSize, size);
}
// FontAwesome fonts need to have their sizes reduced by 2.0f/3.0f in order to align correctly
float iconFontSize = size * 2.0f / 3.0f;
static const ImWchar sIconsRanges[] = { ICON_MIN_FA, ICON_MAX_16_FA, 0 };
ImFontConfig iconsConfig;
iconsConfig.MergeMode = true;
iconsConfig.PixelSnapH = true;
iconsConfig.GlyphMinAdvanceX = iconFontSize;
mImGuiIo->Fonts->AddFontFromMemoryCompressedBase85TTF(fontawesome_compressed_data_base85, iconFontSize,
&iconsConfig, sIconsRanges);
return font;
}
// End
extern "C" uint32_t GameEngine_GetSampleRate() {
auto player = Ship::Context::GetInstance()->GetAudio()->GetAudioPlayer();
if (player == nullptr) {
return 0;
}
if (!player->IsInitialized()) {
return 0;
}
return player->GetSampleRate();
}
extern "C" uint32_t GameEngine_GetSamplesPerFrame() {
return SAMPLES_PER_FRAME;
}
extern "C" CtlEntry* GameEngine_LoadBank(const uint8_t bankId) {
const auto engine = GameEngine::Instance;
if (bankId >= engine->bankMapTable.size()) {
return nullptr;
}
if (engine->banksTable[bankId] != nullptr) {
return engine->banksTable[bankId];
}
for (auto& bank : engine->bankMapTable) {
if (bank.second == bankId) {
const auto ctl = static_cast<CtlEntry*>(ResourceGetDataByName(("__OTR__" + bank.first).c_str()));
engine->banksTable[bankId] = ctl;
return ctl;
}
}
return nullptr;
}
extern "C" uint8_t GameEngine_IsBankLoaded(const uint8_t bankId) {
const auto engine = GameEngine::Instance;
GameEngine_LoadBank(bankId);
return engine->banksTable[bankId] != nullptr;
}
extern "C" void GameEngine_UnloadBank(const uint8_t bankId) {
const auto engine = GameEngine::Instance;
engine->banksTable[bankId] = nullptr;
}
extern "C" AudioSequenceData* GameEngine_LoadSequence(const uint8_t seqId) {
auto engine = GameEngine::Instance;
if (engine->sequenceTable[seqId].empty()) {
return nullptr;
}
if (engine->audioSequenceTable[seqId] != nullptr) {
return engine->audioSequenceTable[seqId];
}
auto sequences = static_cast<AudioSequenceData*>(ResourceGetDataByName(engine->sequenceTable[seqId].c_str()));
engine->audioSequenceTable[seqId] = sequences;
return sequences;
}
extern "C" uint32_t GameEngine_GetSequenceCount() {
auto engine = GameEngine::Instance;
return engine->sequenceTable.size();
}
extern "C" uint8_t GameEngine_IsSequenceLoaded(const uint8_t seqId) {
return GameEngine_LoadSequence(seqId) != nullptr;
}
extern "C" void GameEngine_UnloadSequence(const uint8_t seqId) {
const auto engine = GameEngine::Instance;
engine->audioSequenceTable[seqId] = nullptr;
}
extern "C" float GameEngine_GetAspectRatio() {
auto gfx_current_dimensions = GetInterpreter()->mCurDimensions;
return gfx_current_dimensions.aspect_ratio;
}
extern "C" uint32_t GameEngine_GetGameVersion() {
return 0x00000001;
}
static const char* sOtrSignature = "__OTR__";
extern "C" bool GameEngine_OTRSigCheck(const char* data) {
return strncmp(data, sOtrSignature, strlen(sOtrSignature)) == 0;
}
// struct TimedEntry {
// uint64_t duration;
// TimerAction action;
// int32_t* address;
// int32_t value;
// bool active;
// };
// std::vector<TimedEntry> gTimerTasks;
// uint64_t Timer_GetCurrentMillis() {
// return SDL_GetTicks();
// }
// extern "C" s32 Timer_CreateTask(u64 time, TimerAction action, s32* address, s32 value) {
// const auto millis = Timer_GetCurrentMillis();
// TimedEntry entry = {
// .duration = millis + CYCLES_TO_MSEC_PC(time),
// .action = action,
// .address = address,
// .value = value,
// .active = true,
// };
// gTimerTasks.push_back(entry);
// return gTimerTasks.size() - 1;
// }
extern "C" void Timer_Increment(int32_t* address, int32_t value) {
*address += value;
}
extern "C" void Timer_SetValue(int32_t* address, int32_t value) {
*address = value;
}
// void Timer_CompleteTask(TimedEntry& task) {
// if (task.action != nullptr) {
// task.action(task.address, task.value);
// }
// task.active = false;
// }
// extern "C" void Timer_Update() {
// if(gTimerTasks.empty()) {
// return;
// }
// const auto millis = Timer_GetCurrentMillis();
// for (auto& task : gTimerTasks) {
// if (task.active && millis >= task.duration) {
// Timer_CompleteTask(task);
// }
// }
// }
extern "C" float OTRGetAspectRatio() {
return GetInterpreter()->mCurDimensions.aspect_ratio;
}
extern "C" float OTRGetDimensionFromLeftEdge(float v) {
return (SCREEN_WIDTH / 2 - SCREEN_HEIGHT / 2 * OTRGetAspectRatio() + (v));
}
extern "C" int16_t OTRGetRectDimensionFromLeftEdge(float v) {
return ((int) floorf(OTRGetDimensionFromLeftEdge(v)));
}
extern "C" float OTRGetDimensionFromRightEdge(float v) {
return (SCREEN_WIDTH / 2 + SCREEN_HEIGHT / 2 * OTRGetAspectRatio() - (SCREEN_WIDTH - v));
}
extern "C" int16_t OTRGetRectDimensionFromRightEdge(float v) {
return ((int) ceilf(OTRGetDimensionFromRightEdge(v)));
}
/**
* Centers an item in a given area.
*
* Adds the number of extended screen pixels to the location to center.
* This allows stretching the game window really wide, and the item will stay in-place.
*
* This is not for centering in the direct center of the screen.
*
* How to use:
*
* s32 center = OTRCalculateCenterOfAreaFromRightEdge((SCREEN_WIDTH / 4) + (SCREEN_WIDTH / 2));
* x = center - (texWidth / 2)
* x2 = center + (texWidth / 2)
*/
extern "C" uint32_t OTRCalculateCenterOfAreaFromRightEdge(int32_t center) {
return ((OTRGetDimensionFromRightEdge(SCREEN_WIDTH) - SCREEN_WIDTH) / 2) + center;
}
extern "C" uint32_t OTRCalculateCenterOfAreaFromLeftEdge(int32_t center) {
return ((OTRGetDimensionFromLeftEdge(0) - SCREEN_WIDTH) / 2) + center;
}
// Gets the width of the current render target area
extern "C" uint32_t OTRGetGameRenderWidth() {
return GetInterpreter()->mCurDimensions.width;
}
// Gets the height of the current render target area
extern "C" uint32_t OTRGetGameRenderHeight() {
return GetInterpreter()->mCurDimensions.height;
}
extern "C" uint32_t OTRGetGameViewportWidth() {
return GetInterpreter()->mGameWindowViewport.width;
}
extern "C" uint32_t OTRGetGameViewportHeight() {
return GetInterpreter()->mGameWindowViewport.height;
}
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